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. 2022 Jan 10;15(2):490. doi: 10.3390/ma15020490

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Comparison of the STL curves between the research model with 16 piezoelectric patches per unit cell and the comparison model without piezoelectric patches.